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Popular Word Problems >

jane is three times as old as her brother and the sum of their ages is 28. how old is jane?

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Solution

janeisthreetimesasoldasherbrotherandthesumoftheiragesis28.howoldisjane?

Solution

Jane′sageis:21
Solution steps
Translate the problem into an equation:3x+x=28
Solve for x,3x+x=28:x=7
Find Jane's age:21
Jane′sageis:21

Popular Examples

Jay drove 315 kilometers at the average rate of 63 kilometers per hour. How long did the trip take?Five less than three times the sum of a number and four is twenty two.What is the number.The larger of two numbers is 9 more than the smaller. Their sum is 95. Find the numbers.If 2 is subtracted from seven times a certain number, the result is the same as if 38 is added to three times the number.If 2 is subtracted from seven times a certain number, the result is the same as if 38 is added to three times the number.Find two consecutive numbers whose sum is 95.
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